Add clone methods to unit test GrFragmentProcessor classes

Also adds testing of copying ImageStorageAccess and ref counts of proxies held by cloned FPs.

Change-Id: Ia23220bf65b4df83d1c874b46d8525cc3540f716
Reviewed-on: https://skia-review.googlesource.com/28004
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index 8b07568fdc..aca548cdf8 100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -75,6 +75,8 @@ public:
         return new GLBigKeyProcessor;
     }
 
+    sk_sp<GrFragmentProcessor> clone() const override { return Make(); }
+
 private:
     BigKeyProcessor() : INHERITED(kNone_OptimizationFlags) { this->initClassID<BigKeyProcessor>(); }
     virtual void onGetGLSLProcessorKey(const GrShaderCaps& caps,
@@ -108,6 +110,11 @@ public:
 
     GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { return new GLFP; }
 
+    sk_sp<GrFragmentProcessor> clone() const override {
+        auto child = this->childProcessor(0).clone();
+        return child ? Make(std::move(child)) : nullptr;
+    }
+
 private:
     class GLFP : public GrGLSLFragmentProcessor {
     public: